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local-dev: Vite proxy for same-origin requests + upstream gateway Dockerfile fix

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vite.config.ts now proxies `/api` and `/galaxy.gateway.v1.EdgeGateway`
to the gateway, so the browser sees only `localhost:5173` and never
trips a cross-origin preflight. `.env.development` accordingly points
`VITE_GATEWAY_BASE_URL` at the Vite origin. The proxy target is
overridable via `VITE_DEV_PROXY_TARGET=...` for non-default gateways
without touching the compose file.

`gateway/Dockerfile` previously failed to build because gateway
imports `galaxy/core` (replaced to `../ui/core` in `gateway/go.mod`)
but the Dockerfile did not copy `ui/core/` into the build context
nor declare the replace in the synthesised `go.work`. Adding both
makes `docker build -f gateway/Dockerfile .` succeed; this is the
same fix already shipped in `tools/local-dev/gateway.Dockerfile`,
back-ported to upstream.

Verified:
- docker build -f gateway/Dockerfile . — builds cleanly
- pnpm test 14/14, pnpm exec playwright test 44/44 (with CI=1 to
  force a fresh dev server; reuse keeps the previous startup env)
- curl POST through localhost:5173/api/* and /galaxy.gateway.v1.* —
  reach the gateway, no CORS preflight on the browser side

tools/local-dev/README.md updated with the new network map and the
`VITE_DEV_PROXY_TARGET` override.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Ilia Denisov
2026-05-08 11:04:00 +02:00
parent 69fa6b30e1
commit 6f6a854337
4 changed files with 68 additions and 20 deletions
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ui/frontend/.env.development
+8 -2
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@@ -3,8 +3,14 @@
# brought up by `make -C tools/local-dev up`. Per-developer overrides
# live in `.env.development.local` (gitignored by Vite convention).
# Gateway public REST + Connect-Web edge listener.
VITE_GATEWAY_BASE_URL=http://localhost:8080
# Gateway public REST + Connect-Web edge listener. Points at the Vite
# dev server's own origin so the browser sees same-origin requests;
# Vite then proxies `/api` and `/galaxy.gateway.v1.EdgeGateway` to the
# real gateway at `http://localhost:8080`. See `vite.config.ts`. To
# work against a non-local gateway, override the proxy target via
# `VITE_DEV_PROXY_TARGET=http://gateway.host:8080 pnpm dev` (no UI
# rebuild needed).
VITE_GATEWAY_BASE_URL=http://localhost:5173
# Standard non-URL-safe base64 of the gateway response-signing public
# key. Pairs with `tools/local-dev/keys/gateway-response.pem`. The pair